Antonie van Leeuwenhoek

, Volume 107, Issue 1, pp 305–311 | Cite as

454 Pyrosequencing reveals diversity of Bdellovibrio and like organisms in fresh and salt water

  • Nan Li
  • Henry N. Williams
Short Communication


Bdellovibrio-and-like organisms (BALOs) are Gram-negative, predatory bacteria that inhabit terrestrial, freshwater and saltwater environments. They have been detected primarily by culture-dependent methods which have limitations. In this study, diversity and community structure of BALOs in freshwater and saltwater samples were characterized by 16S rRNA gene pyrosequencing with specific BALO group primers. Novel Bacteriovorax 16S rDNA sequences were found both in saltwater enrichment cultures and in situ environmental samples, but no new operational taxonomic units were detected in the freshwater samples. The results revealed unexpected diversity of BALOs and advance understanding of the similarities and differences between Bdellovibrio and Bacteriovorax diversity and distribution in the environment.


Pyrosequencing BALOs 16S rRNA Diversity Bacteriovorax Bdellovibrio 



This work was financially supported by the National Science Foundation Division of Education and Human Resources, HBCU-RISE Grant-0531523. The bacterial prey (V. vulnificus FLA042 (Vv) obtained from Dr. Paul Gulig, University of Florida and V. parahaemolyticus RIMD (Vp) from Dr. Gonzalez-Escalona, Narjol, US Food and Drug Administration).

Conflict of interest

There is no conflict of interest in this study.

Supplementary material

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.School of the EnvironmentFlorida A& M UniversityTallahasseeUSA

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